CN104973210B - Artificial structure's facility construction technology waterborne - Google Patents
Artificial structure's facility construction technology waterborne Download PDFInfo
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- CN104973210B CN104973210B CN201410136996.9A CN201410136996A CN104973210B CN 104973210 B CN104973210 B CN 104973210B CN 201410136996 A CN201410136996 A CN 201410136996A CN 104973210 B CN104973210 B CN 104973210B
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000005516 engineering process Methods 0.000 title description 5
- 239000011513 prestressed concrete Substances 0.000 claims abstract description 97
- 238000007667 floating Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004567 concrete Substances 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 2
- 241001080929 Zeugopterus punctatus Species 0.000 claims 3
- 230000032258 transport Effects 0.000 abstract description 30
- 239000013535 sea water Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004091 panning Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present invention relates to a kind of waterborne, especially artificial ocean structural facilities construction methods, include: a. prefabricated prestressed concrete is waterborne, especially ocean fixed platform transports marine predetermined position, fixed platform includes superstructure platform and multiple buoyancy tubes, superstructure platform can be floated on demand on the water by floating shifting tooling carrying and be moved, and be equipped with multiple bracket toolings that can be gone up and down between floating shifting tooling and superstructure platform；B. in the state that floating shifting tooling floats, prefabricated prestressed concrete fixed platform is close to fixed in a seabed in advance prestressed concrete fixed platform；C. it floats and moves tooling sinking, so that the buoyancy tube seat of prestressed concrete fixed platform is sunken to seabed；D. the superstructure platform of the two fixed platforms is leveled；E. after leveling, floating tooling of moving is withdrawn from from prestressed concrete fixed platform.The invention further relates to waterborne as made of above method construction, especially artificial ocean structural facilities.
Description
Technical field
The present invention relates generally to use prestressed concrete fixed platform, the especially construction of ocean fixed platform waterborne
Waterborne, especially artificial ocean structural facilities technologies.
Background technique
Mainly with steel frame construction, at sea construction forms current Offshore Units such as offshore drilling platform.For
The factors such as anti-seawater corrosion ability is strong, capacity of anti-storm is high consider that the prestressed concrete ocean made of armored concrete is consolidated
Fixed platform will be to the existing advantageous substitution of ocean stationary applications platform.
The ocean area of the earth accounts for 70 or more percent.With earth land resource continually develop and urban population
Continuous expansion, expand human living space to ocean and have become the focus of new century human society.In order to expand people
Class living space, other than marine reclamation land, another simple and economic means is exactly to build artificial ocean structural facilities, example
Such as man-made island, seadrome.Man-made island can be divided into multiple platform for lining for detail design consideration, it then again will be multiple
Platform for lining is grouped together into this man-made island.Therefore, prestressed concrete made of armored concrete noted earlier
Native ocean fixed platform is to form the optimal selection of the platform for lining of this man-made island.
Therefore, these platform for lining how are manufactured, they are transplanted on sea and is assembled into artificial ocean island as required
As the emphasis paid close attention at present.
Summary of the invention
According to an aspect of the invention, there is provided a kind of waterborne, especially artificial ocean structural facilities construction sides
Method, comprising:
A. prefabricated prestressed concrete is waterborne, especially ocean fixed platform transports marine predetermined position, wherein institute
Prefabricated prestressed concrete fixed platform is stated to include superstructure platform and be arranged in the bottom of the superstructure platform
Multiple buoyancy tubes, the bottom end of each buoyancy tube is tapered, and the superstructure platform is moved tooling carrying and can be pressed on the water by floating
Shifting need to be floated, and is equipped with multiple bracket toolings that can be gone up and down between floating shifting tooling and the superstructure platform；
B. in the state that floating shifting tooling floats, the prefabricated prestressed concrete fixed platform is close in advance
In the prestressed concrete fixed platform that seabed is fixed；
C. by the floating prestressed concrete fixed platform for moving tooling carrying it is properly close after, the floating shifting work
It is heavy to load, so that the buoyancy tube seat of the prestressed concrete fixed platform is sunken to seabed；
D. the height and/or the lifting floating shifting tooling for adjusting the bracket tooling, by the upper of the two fixed platforms
The leveling of portion's structure platform；
E. after leveling, the floating shifting tooling is further sunk, and is withdrawn from from prestressed concrete fixed platform.
Preferably, in stepb, it is fixed on using wirerope one end and is consolidated by the floating prestressed concrete for moving tooling carrying
On fixed platform, the prestressed concrete of the floating shifting is pulled from the prestressed concrete fixed platform fixed in seabed in advance
Fixed platform.
Preferably, the wirerope is two wireropes in X-shape arrangement, and one end is fixed on the pre- of floating shifting and answers respectively
In power concrete fixed platform, the other end is by the hoist engine in the fixed prestressed concrete fixed platform in seabed in advance
Traction, the prestressed concrete fixed platform of the floating shifting is slowly furthered.
Preferably, in the prestressed concrete fixed platform approach process of the floating shifting, shifting is floated described in towboat pushing tow
Prestressed concrete fixed platform side.
Preferably, after step e, seabed is squeezed into until supporting course in the bottom that more fixed piling bars pass through buoyancy tube.
Preferably, the prestressed concrete fixed platform is formed in land precasting yard integral assembling.
Preferably, the prestressed concrete fixed platform includes superstructure platform and moves the floating of tooling carrying by floating
Power cylinder mould block, each module is assembled in advance in land precasting yard, after moving on to sea, via marine vertical assembling construction construction
At the prestressed concrete fixed platform.
Preferably, the prestressed concrete fixed platform via can marine transport partly latent transport to marine pre-determined bit
It sets, before step b, the marine transport dive.
Preferably, shown bracket tooling is jack.
According to another aspect of the present invention.It is waterborne, outstanding made of additionally providing a kind of construction according to preceding method
Its artificial ocean structural facilities comprising at least two prestressed concretes being close to each other are waterborne, especially ocean fixed platform.
Using technological means of the invention, the artificial structure of any size can be built on demand at offshore construction
Facility, especially artificial island, at sea airport construction, marine city construction aspect provide big advantage for this.Meanwhile this hair
For bright technological means compared with marine reclamation land, cost advantage is huge, and in addition the use of prestressed concrete fixed platform also can
It effectively resists sea water intrusion, improve service life.
Detailed description of the invention
From aftermentioned detailed description and aforementioned and other side of the invention will be more fully understood in conjunction with following attached drawing
Face.It should be pointed out that the ratio of each attached drawing is possible to different for clearly explained purpose, but this will not influence to this
The understanding of invention.In the accompanying drawings:
It is pre- that Fig. 1 (a) and Fig. 1 (b) diagrammatically illustrates precasting yard integral assembling in land according to an embodiment of the invention
The schematic plan and cross-sectional side elevational view of a part of prestressed concrete ocean fixed platform；
Fig. 2 (a) shows the schematic diagram of land precasting yard lifting superstructure console module；
Fig. 2 (b) diagrammatically illustrates the top view of land precasting yard integral assembling prestressed concrete ocean fixed platform；
It is flat towards marine transport that Fig. 3 diagrammatically illustrates the prestressed concrete ocean fixed platform after integral assembling
It moves；
It is mixed that Fig. 4 (a) diagrammatically illustrates precasting yard integral assembling prestressing force in land in accordance with another embodiment of the present invention
The side view of a part of solidifying soil ocean fixed platform；
Fig. 4 (b) diagrammatically illustrates the land precasting yard integral assembling prestressed concrete of embodiment corresponding with Fig. 4 (a)
The side view of another part of native ocean fixed platform；
Fig. 4 (c) those of diagrammatically illustrates as shown in Fig. 4 (a) and 4 (b) feelings after part translation to marine transport
Condition；
Fig. 5 those of diagrammatically illustrates as shown in Fig. 4 (a) and 4 (b) part and is at sea vertically assembled into prestressed concrete
The schematic diagram of ocean fixed platform；
Fig. 6 (a) and Fig. 6 (b) is diagrammatically illustrated to carry to fix there are two the prestressed concrete ocean of integral assembling and be put down
The marine transport dive of platform, thus using floating tooling of moving by prestressed concrete ocean fixed platform pull-out marine transport；
Fig. 7 (a) to Fig. 7 (c) diagrammatically illustrates a prestressed concrete ocean fixed platform to another prestressing force
The process that concrete ocean fixed platform is drawn close；And
It is pre- relative to another that Fig. 8 (a) to Fig. 8 (e) diagrammatically illustrates a prestressed concrete ocean fixed platform
The stationary positioned process of prestressed concrete ocean fixed platform.
Specific embodiment
In each attached drawing of the application, structure is identical or intimate feature is indicated by the same numbers.
Core of the invention thinking is that artificial structure's facility waterborne is put down by the fixation waterborne of any amount of prestressed concrete
Platform, especially ocean fixed platform form.That is, prestressed concrete fixed platform waterborne, especially ocean fixed platform are made
After being prefabricated in the factory for most basic component units, then on the water, it is especially marine assembled and construction is big at any area
Small waterborne, especially marine artificial structure's facility.
Below only using ocean as background introduction technical solution of the present invention, but it should be apparent to those skilled in the art that it is same
Technological means can be used for the construction process of any other boat structure facility.
According to the present invention, the element as artificial ocean structural facilities, prestressed concrete ocean are fixed flat
Platform can use 1. precasting yard integral assembling panning techniques；And 2. precasting yard sub-module prefabricated marine vertical assembling technique apply
Work construction obtains.
Below first by taking precasting yard integral assembling panning techniques as an example, illustrate basis in conjunction with Figure of description 1 (a) to Fig. 3
The construction of the prestressed concrete ocean fixed platform of one embodiment of the invention.
Each prestressed concrete ocean fixed platform according to the present invention may include prefabricated one of armored concrete
A superstructure platform and the superstructure platform bottom be arranged it is multiple (below this specification only for 4
It is illustrated) buoyancy tube.Superstructure platform plays the role of carrying platform, and buoyancy tube is the hollow coagulation of bottom end closure
Native precast construction plays the role of providing a part of buoyancy and seabed bearing for the superstructure platform.
It should be clear that the addressing of usually land factory can lean on inshore harbour, shorten as far as possible so pre- from concrete structure
Place processed is to the translation distance between ships that transport.Firstly, building translation basic construct object 7 in the prefabricated place of concrete structure.
The translation basic construct object 7 can be ground base structures or ground basic construct object, be constructed by armored concrete, from
The assembled station in the prefabricated place of concrete structure can be built always to the harbour of berthing marine ships that transport.
According to the technique and scheme of the present invention, as shown in Fig. 1 (a) and Fig. 1 (b), firstly, the ground base 7 in prefabricated place
Two translation tracks 1 of upper installation.Then, then on the two translation tracks 14 groups of translating trolleys 2 are installed.Such as Fig. 1 (a) and Fig. 1
(b) shown in, ground base 7 can be above the ground level 8.For example, installing two groups of translating trolleys 2 on each translation track 1.Translating trolleys
2 can be dedicated translating trolleys in super-huge component conveying field, be mainly used for carrying overweight super large component realization in level
Translation functions on face.Translating trolleys 2 are equipped with hydraulic jacking device, for realizing lifting along the direction vertical with ground 8.Translation
Track 1 can be dedicated translation track in large-scale component transport field, for cooperating with translating trolleys, guide translating trolleys 2
It is steady mobile.For example, translation track 1 can be built always to sea transport ship (in figure not from the prefabricated place of concrete structure
Show) on stowed location.
Then, a set of pre-fabricated floating shifting tooling 3 is installed on translating trolleys 2 via large-scale hoisting facilities.
The floating basic structure for moving tooling 3 is similar with oceangoing ship partly latent (partly latent to refute), but does not have power drive.For example, floating move work
Dress may include multiple seawater ballast tanks, and each seawater ballast tank is connected by pipeline, controllably can selectively be filled by ballast pump
Seawater is unloaded to drift along to provide.Floating tooling of moving is generally rectangular component, and mooring gear is equipped at four angles, can be by towboat
At sea drag.Floating tooling of moving is mainly used for carrying the floating shifting across the sea of super-huge component.
It can be prefabricated with such as 4 in advance in the position that the floating left and right sides for moving tooling 3 is connected with buoyancy tube modular structure
Buoyancy tube module fixing component 5.Buoyancy tube module fixing component 5 can be any machine that buoyancy tube module can be removedly fixed
Tool component, if buoyancy tube module and the assembly of superstructure console module formed after whole ocean fixed platform can be convenient from
Buoyancy tube is detached from.For example, buoyancy tube module fixing component 5 is the mechanical device equipped with hydraulic holding mechanism form, thus
Buoyancy tube can be temporarily gripped or discharged under hydraulic driving.
After floating shifting tooling 3 places in place on translating trolleys 2, utilize crane by 4 in the prefabricated place of concrete structure
A concrete prefabricated good buoyancy tube module 10 is lifted into the floating corresponding buoyancy tube module fixing component 5 for moving tooling 3.It is preferred that
Ground, in the process, the pre-placing cushion block 6 on ground 8, so that it is between lifted buoyancy tube module 10 and ground 8,
So that the top of buoyancy tube module adjusts level.Lifting the result is that 4 buoyancy tube modules and horizontal plane (i.e. ground 8) vertically
It is secured in position.
Then, the adjustable bracket tooling 4 of multiple lift in height then on the floating top surface for moving tooling 3 is installed.The timberer
Filling 4 is, for example, jack.One main function of bracket tooling 4 is provisionally to support superstructure console module 9 to be installed.
According to the concrete prefabricated requirement of superstructure console module 9 to be mounted, suitably adjust each in the height direction
Frame tooling 4 forms the horizontal plane of a consistent installation top structure platform module, such as the water to the top of bracket tooling 4
Plane can be parallel with ground 8.
It then, will be prior prefabricated upper using large-scale hoisting facilities such as crane as shown in Fig. 2 (a) and Fig. 2 (b)
Portion's structure platform module 9 is placed into multiple bracket toolings 4.Pre-position in superstructure console module 9 can be set
There are prefabricated hole or receiving unit, for correspondingly receiving the top of buoyancy tube module 10.It can at the top of buoyancy tube module 10
To be preset with reinforcing bar, so that it is poured concrete into the hole or receiving unit, each buoyancy tube module 10 after concrete setting
With superstructure console module 9, the ocean fixed platform an of entirety is formed.
After the integral assembling for completing prestressed concrete ocean fixed platform as described above, start translating trolleys
2 hydraulic jacking device puts prestressing force ocean fixed platform integral jacking so that the bottom of 4 buoyancy tubes is left on ground 8
The cushion block 6 set.Then, as shown in the arrow in Fig. 2 (b), translating trolleys 2 can make driven in translation on translation track 1, thus
The fixed platform integral translation of prestressing force ocean is carried up to the stowed location (as shown in Figure 3) on sea transport ship.
Then, the hydraulic jacking device of translating trolleys 2 reduces so that the floating bottom and sea transport ship deck for moving tooling 3
On fulcrum bearing face contact.Prestressed concrete ocean fixed platform is integrally attached to marine transport via floating shifting tooling 3
On the deck of oceangoing ship.Hereafter, continue the hydraulic jacking device of reduction translating trolleys 2, so that translating trolleys 2 and floating tooling 3 of moving are detached from
Contact, is then driven in the reverse direction translating trolleys 2 along translation track 1 and exits sea transport ship.So far, prestressed concrete is completed
Ocean fixed platform integrally loads transport translation onto ship.
Then, referring to Fig. 4 (a) to 5, illustrate in accordance with another embodiment of the present invention to apply by marine vertically assembling technique
Prestressed concrete ocean fixed platform made of work construction.
Fig. 4 (a) is the buoyancy tube module according to the prestressed concrete ocean fixed platform of the above embodiment of the present invention
The construction of precasting yard on land, process is described identical as (a) referring to Fig.1, no longer redundant later.
As shown in Fig. 4 (b), 4 groups of translating trolleys 2 are installed on translation track 1.As shown in Fig. 1 (b), ground base 7 can be high
In ground 8.For example, installing two groups of translating trolleys 2 on each translation track 1.Then, via large-scale hoisting facilities in translating trolleys
2, which hang oneself, loads onto portion's structure platform module 9.Equally, it is preset on the superstructure console module 9 for vertical assembled at sea
When with the positioning tool 21 of buoyancy tube module relative positioning.It can be small by translating after superstructure console module 9 lifts in place
Vehicle 2 carries to be moved on translation track 1.
For buoyancy tube module 10 and the floating combination for moving tooling 3, for integral translation, start the liquid of translating trolleys 2
Jacking apparatus is pressed to promote buoyancy tube module 10 and the floating composite entity for moving tooling 3, so that ground is left in the bottom of 4 buoyancy tubes
The cushion block 6 placed on 8.Then, as shown in the arrow in Fig. 4 (c), translating trolleys 2 can make translation on translation track 1 and drive
It is dynamic, so that buoyancy tube module 10 and the floating composite entity for moving tooling 3 translate the stowed location until on marine transport 30.With class
As mode, the superstructure console module 9 as shown in Fig. 4 (b) also on translation track 1 translation until marine transport 30 on
Stowed location.
It is flat when supporting station (not shown) can be set in above-mentioned stowed location, and the height of the supporting station slightly lower than enters
Move the height of trolley 2.In this way after translating trolleys 2 respectively reach respective stowed location, it is again started up the hydraulic of translating trolleys 2
Jacking apparatus reduces buoyancy tube module 10 and the floating composite entity for moving tooling 3, so that supporting station can support floating shifting respectively
Tooling 3 and superstructure console module 9, such translating trolleys 2 exit marine transport 30 and are reused for next module
Land assembly translation.
In the schematic diagram of Fig. 4 (c), superstructure console module 9 is introduced into marine transport 30, buoyancy tube module 10 with
Enter marine transport 30 after the floating combination for moving tooling 3.
Marine transport 30 can carry superstructure console module 9 in the above described manner and buoyancy tube module 10 is transported to sea
On assembled prestressed concrete ocean according to the present invention fixed platform predetermined position.As shown in figure 5, in pre-position
Can pier 40 be sat in the seabed that subsea construction builds an armored concrete in advance.The seabed sit pier 40 top surface it is flat and
Under water away from sea level a distance, and the height of seabed seat pier 40 is arranged to floating tooling of moving and is located on its top surface rear buoyancy tube
Seabed will not be contacted.After reaching predetermined position, marine transport 30 for example can be with dive, and shifting tooling 3 floating in this way can be with sea
Water contact provides buoyancy.Buoyancy tube module 10 itself also obtains a part of buoyancy with contact with sea water simultaneously.It moves tooling 3 floating and floats
In the case that the combination of power cylinder mould block 10 can float across the sea, using towboat by the combination from the rear portion of marine transport 30
It pulls out.As shown in figure 5, floating shifting tooling 3 is dragged to the surface for sitting pier 40 in seabed.Then, the floating tooling 3 of moving of operation makes under it
The heavy planar top surface for sitting pier 40 with seabed contacts, in this way by making fixed rest upon of floating shifting tooling 3 on the seat pier 40 of seabed
Buoyancy tube module 10 in water fix by position, while the top of each buoyancy tube module 10 is exposed and away from water surface a distance.Then,
Superstructure console module 9 is lifted into above buoyancy tube module 3 from marine transport 30 using construction ship, is spelled via sea
Dress positioning tool 20,21 ensures to lift in place after relative position between the two accurately matches.Meanwhile via bracket tooling 4
It adjusts, it is ensured that superstructure console module 9 is leveled relative to floating shifting tooling 3.
Then, the joint between superstructure console module 9 and buoyancy tube module 10 is poured concrete, is solidifying
Reinforced concrete structure is formed with reinforcing bar pre-buried in advance afterwards, so that superstructure console module 9 and buoyancy tube module 10 are whole
Constitute prestressed concrete ocean according to the present invention fixed platform.So far, prestressed concrete sea according to the present invention is completed
The vertical assembling construction process in the sea of foreign fixed platform.
In Fig. 5, completed although prestressed concrete ocean according to the present invention fixed platform is vertically assembled,
Floating tooling 3 of moving can still carry the whole shifting floating at sea of prestressed concrete ocean fixed platform.In this case, example
Such as, floated by operating floating tooling 3 of moving, can carry entire prestressed concrete ocean fixed platform at sea float move on to it is other
Desired position.
Multiple seabeds can be built in advance in the proximate for needing to build man-made island and sit pier 40, then respectively in each sea
Bottom is sat on pier 40 and builds multiple prestressed concrete oceans fixed platform using above-mentioned marine vertical assembling technique assembly.According to applying
Work needs, and assembled good prestressed concrete ocean fixed platform is floated to the position for moving on to needs, buoyancy tube using floating shifting tooling 3
Module fixing component is opened, and is then made floating shifting tooling dive again, is exited prestressed concrete ocean fixed platform, pre- in this way
Prestressed concrete ocean fixed platform can be rested upon via buoyancy tube module in the scheduled position in seabed.By by multiple prestressing force
The construction positioning adjacent to each other in this way of concrete ocean fixed platform, can form the man-made island of arbitrary area size.
Below for the prestressed concrete ocean fixed platform integral prefabricated in land precasting yard by above-mentioned, basis is introduced
Man-made island construction technology of the invention.
As shown in Fig. 6 (a), it is flat that marine transport 30 carries two prestressed concrete ocean fixations prefabricated on land
Platform 100 reaches scheduled sea area.Then, as shown in Fig. 6 (b), 30 dive of marine transport, so that each prestressed concrete is extra large
Foreign fixed platform 100 is carried by respective floating shifting tooling 3 and is withdrawn from via towing cable from marine transport 30.Then, in towboat 200
Under dragging or thrusting action, a prestressed concrete ocean fixed platform 100 continues at sea to float via floating shifting tooling 3 is moved.
As shown in Fig. 7 (a) to Fig. 7 (c), in prestressed concrete ocean, fixed platform 100 soon reaches solid in advance
Another prestressed concrete ocean fixed platform 100 ' for being scheduled on seabed before, installs steel in the two fixed platforms respectively
Cable 300, thus under the traction action of wirerope 300 and the promotion of towboat 200, ocean fixed platform 100 is slowly and position
Ocean fixed platform 100 ' is close to normal incidence, and final the two is close together.
In order to ensure position is to just, two wireropes 300 intersect and one end is fixed on two apex angles of ocean fixed platform 100
Place, and (unshowned) hoist engine in the fixed Yu Haiyang fixed platform 100 ' of the other end, to be handed under the drive of hoist engine
Ocean fixed platform 100 accurately can be pulled to ocean fixed platform 100 ' by the wirerope 300 of fork.
As shown in Fig. 8 (a) and Fig. 8 (b), in ocean, fixed platform 100 has been suitably close to ocean fixed platform 100 '
Afterwards, the posture of ocean fixed platform 100 can be adjusted using bracket tooling 4 again.Then, it floats and moves the sinking of tooling 3, thus ocean
Fixed platform 100 is seated on sea bed using self weight via buoyancy tube 10.It in the process, can also be by adjusting floating shifting tooling 3
Drift along and the lifting of bracket tooling 4 is fixed further to finely tune the posture of ocean fixed platform 100, especially adjust the two
Flatness between platform 100,100 '.
Later, it as shown in Fig. 8 (c) to Fig. 8 (e), floats and moves the further sinking of tooling 3 and below ocean fixed platform 100
It withdraws from.
It, can be as ocean fixed platform 100 ', then in sea in order to further ensure that the fixation of ocean fixed platform 100
Multiple fixed piling bars 400 are squeezed into downwards in the bottom of each buoyancy tube 10 of foreign fixed platform 100, until supporting course.
Process more than repeating, can as required combine any amount of ocean fixed platform, thus
Offshore construction builds the man-made island of any size.
For the prestressed concrete ocean fixed platform made of marine vertical splicing construction such as Fig. 5
For, can also with the man-made island of the at sea any size of construction of the identical technology as shown in Fig. 7 (a) to 8 (e),
Because without in redundant.
Using technological means of the invention, the man-made island of any size can be built on demand at offshore construction
Small island, at sea airport construction, marine city construction aspect provide big advantage for this.Meanwhile technological means of the invention with
Marine reclamation land is compared, and cost advantage is huge, and in addition the use of prestressed concrete fixed platform also can effectively resist seawater
It corrodes, improve service life.
Claims (18)
1. a kind of construction method of artificial structure's facility waterborne, comprising:
A. prefabricated prestressed concrete fixed platform is transported into predetermined position waterborne, wherein the prefabricated prestressing force is mixed
Multiple buoyancy tubes that soil fixed platform includes superstructure platform and is arranged in the bottom of the superstructure platform are coagulated, it is each floating
The bottom end of power cylinder is tapered, and the superstructure platform can be floated on demand on the water by floating shifting tooling carrying and be moved, and described floating
It moves and is equipped with multiple bracket toolings that can be gone up and down between tooling and the superstructure platform；
B. in the state that floating shifting tooling floats, the prefabricated prestressed concrete fixed platform is close in advance in water
A fixed prestressed concrete fixed platform of bottom；
C. by the floating prestressed concrete fixed platform for moving tooling carrying it is properly close after, under the floating shifting tooling
It is heavy, so that the buoyancy tube seat of the prestressed concrete fixed platform is sunken to the bottom；
D. the height and/or the lifting floating shifting tooling for adjusting the bracket tooling, the two prestressed concretes are fixed
The superstructure platform of platform levels；
E. after leveling, the floating shifting tooling is further sunk, and is withdrawn from from prestressed concrete fixed platform.
2. the method according to claim 1, wherein in stepb, being fixed on using wirerope one end by described floating
It moves in the prestressed concrete fixed platform of tooling carrying, from the prestressed concrete fixed platform fixed at the bottom in advance
Pull the prestressed concrete fixed platform of the floating shifting.
3. according to the method described in claim 2, it is characterized in that, the wireropes that the wirerope is arranged for two in X-shape, divide
Other one end is fixed in the prestressed concrete fixed platform of the floating shifting, and the other end is by described in advance in pre- the answering of bottom fixation
Elevator machine travel in power concrete fixed platform slowly furthers the prestressed concrete fixed platform of the floating shifting.
4. according to any method of preceding claims, which is characterized in that fixed in the prestressed concrete of the floating shifting
In platform approach process, the prestressed concrete fixed platform side moved is floated described in towboat pushing tow.
5. method according to any one of claims 1 to 3, which is characterized in that after step e, more fixed piling bars pass through floating
The bottom of power cylinder is squeezed into water-bed until supporting course.
6. method according to any one of claims 1 to 3, which is characterized in that the prestressed concrete fixed platform is in land
Ground precasting yard integral assembling forms.
7. method according to any one of claims 1 to 3, which is characterized in that the prestressed concrete fixed platform includes
Superstructure platform and the buoyancy tube module carried by floating shifting tooling, each module is assembled in advance in land precasting yard, moves
To after waterborne, the prestressed concrete fixed platform is formed via vertical assembling construction construction waterborne.
8. according to the method described in claim 6, it is characterized in that, the prestressed concrete fixed platform is via can be partly latent
Marine transport transport to predetermined position waterborne, before step b, the marine transport dive.
9. method according to any one of claims 1 to 3, which is characterized in that the bracket tooling is jack.
10. method according to claim 1 or 2, which is characterized in that artificial structure's facility waterborne is artificial ocean knot
Structure facility, the prefabricated prestressed concrete fixed platform are prefabricated prestressed concrete ocean fixed platforms.
11. according to the method described in claim 4, it is characterized in that, more fixed piling bars pass through buoyancy tube after step e
Bottom is squeezed into water-bed until supporting course.
12. according to the method described in claim 4, it is characterized in that, the prestressed concrete fixed platform is prefabricated on land
Field integral assembling forms.
13. according to the method described in claim 5, it is characterized in that, the prestressed concrete fixed platform is prefabricated on land
Field integral assembling forms.
14. according to the method described in claim 4, it is characterized in that, the prestressed concrete fixed platform includes top knot
Structure platform and the buoyancy tube module carried by floating shifting tooling, each module is assembled in advance in land precasting yard, moves on to waterborne
Afterwards, the prestressed concrete fixed platform is formed via vertical assembling construction construction waterborne.
15. according to the method described in claim 5, it is characterized in that, the prestressed concrete fixed platform includes top knot
Structure platform and the buoyancy tube module carried by floating shifting tooling, each module is assembled in advance in land precasting yard, moves on to waterborne
Afterwards, the prestressed concrete fixed platform is formed via vertical assembling construction construction waterborne.
16. according to the method described in claim 6, it is characterized in that, the prestressed concrete fixed platform includes top knot
Structure platform and the buoyancy tube module carried by floating shifting tooling, each module is assembled in advance in land precasting yard, moves on to waterborne
Afterwards, the prestressed concrete fixed platform is formed via vertical assembling construction construction waterborne.
17. artificial structure's facility waterborne made of a kind of any method construction according to preceding claims, packet
Include at least two prestressed concrete fixed platforms being close to each other.
18. artificial structure's facility waterborne according to claim 17, which is characterized in that artificial structure's facility waterborne is
Artificial ocean structural facilities, the prefabricated prestressed concrete fixed platform are that prefabricated prestressed concrete ocean is fixed flat
Platform.
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| CN108252286B (en) * | 2016-12-28 | 2021-06-01 | 广东海上城建控股发展有限公司 | Bottom-sitting type water platform and water transportation and installation method thereof |
| CN107499453B (en) * | 2017-09-02 | 2024-02-02 | 如皋市双亚环保科技有限公司 | Ocean platform device mounting system |
| CN113605344B (en) * | 2021-09-16 | 2023-08-25 | 中国铁建大桥工程局集团有限公司 | Deepwater foundation combined drilling platform and erection method |
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| US4493591A (en) * | 1983-02-16 | 1985-01-15 | Combustion Engineering, Inc. | Floatable offshore production structure and method for fabrication, transport and installation of same |
| CN86108094A (en) * | 1986-12-02 | 1987-10-28 | 中国船舶工业总公司七院708研究所 | Multi-purpose semi-submerged offshore platform for typhoon resistant |
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